Tuesday, September 8, 2009

Types Of Eczema

By Moses Wright

Many people may be unaware that there are numerous types of eczema. The different types of eczema cause different symptoms and have different triggers or causes.

Atopic dermatitis is the most common type of eczema. Sometimes, people use the term eczema to refer to atopic dermatitis. Experts believe that atopic dermatitis, also called eczema, is partially inherited.

The rash caused by atopic dermatitis is itchy, inflamed, and may be weeping or scaly. Infants and young children often develop atopic dermatitis. About half the children with atopic dermatitis will continue to have symptoms into adulthood.

A type of eczema caused by exposure to an allergen is called contact dermatitis. For people who have hypersensitive immune systems, some substances referred to as allergens trigger an allergic reaction.

The rash from contact dermatitis can be itchy, red, and dry. In more severe reactions, blisters may form and break leaving a scaly rash. Some examples of the numerous allergens that can cause contact dermatitis include soaps, shampoos, metals, and bleaches.

Advanced age increases the risk of developing some types of eczema. Some types of eczema are rarely seen in patients forty years old or older. Stasis eczema is caused by poor circulation and is one of the types of eczema that only affects older adults.

Nummular eczema, also called discoid eczema or nummular dermatitis, is a type of eczema that causes blisters in small coin-shaped patches. Though the cause of this type of eczema is not completely understood, it is thought to be caused by hypersensitivity to some metals and medications.

The elderly are prone to developing a type of eczema called asteatotic eczema. If an elderly person has dry skin, asteatotic eczema can develop and cause painful cracks in the dry skin.

Seborrheic dermatitis is one of the types of eczema that most commonly affects the scalp. Dandruff and cradle cap are types of seborrheic dermatitis.

One type of eczema that can be severe and cause blisters, intense itchiness, and deep, painful cracks is called dyshidrotic eczema. Experts are uncertain of the exact cause of dyshidrotic eczema, but people who have a family or personal medical history of asthma, eczema, or hay fever seemed to be susceptible to this condition.

Irritation of the nerves can cause a type of eczema called neurodermatitis. The symptom of neurodermatitis is intense, persistent itchiness.

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